Abstract: The present invention addresses a problem of providing realization, in a user terminal, of a virtual data controller which makes it possible to intuitively manipulate and analyze large data such as big data. For this purpose, a server 2 that is the information processing device is provided with an iconization unit 42 for iconizing big data, and a data controller provision unit 43 for providing a user terminal 1 of a user with a virtual data controller which makes it possible to control the big data by an interaction with the icon from the user.